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Polka Dots, Honey Bunny, Bunny Ears, Alba Bunny Ears

Opuntia microdasys var. albispina

Family: Cactaceae (kak-TAY-see-ee) (Info)
Genus: Opuntia (op-UN-shee-a) (Info)
Species: microdasys var. albispina


Cactus and Succulents

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Drought-tolerant; suitable for xeriscaping

Where to Grow:

Unknown - Tell us


12-18 in. (30-45 cm)

18-24 in. (45-60 cm)


24-36 in. (60-90 cm)

36-48 in. (90-120 cm)

4-6 ft. (1.2-1.8 m)


USDA Zone 8b: to -9.4 C (15 F)

USDA Zone 9a: to -6.6 C (20 F)

USDA Zone 9b: to -3.8 C (25 F)

USDA Zone 10a: to -1.1 C (30 F)

USDA Zone 10b: to 1.7 C (35 F)

USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:

Full Sun

Sun to Partial Shade


Plant has spines or sharp edges; use extreme caution when handling

Bloom Color:

Pale Yellow

Bright Yellow

Bloom Time:

Mid Spring

Late Spring/Early Summer



Other details:

Unknown - Tell us

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

Patent Information:


Propagation Methods:

From woody stem cuttings

From softwood cuttings

From seed; direct sow after last frost

From seed; germinate in vitro in gelatin, agar or other medium

By grafting

By simple layering

Seed Collecting:

Remove fleshy coating on seeds before storing

Allow unblemished fruit to ripen; clean and dry seeds

Properly cleaned, seed can be successfully stored


This plant has been said to grow in the following regions:


El Mirage, Arizona

Goodyear, Arizona

Phoenix, Arizona

Tucson, Arizona

Los Angeles, California

Oak View, California

San Diego, California

Santa Monica, California

Valley Village, California

Fort Walton Beach, Florida

Mcdonough, Georgia

Anderson, Texas

Austin, Texas

Leander, Texas

San Antonio, Texas

show all

Gardeners' Notes:


On Dec 3, 2009, gray_53 from Mcdonough, GA wrote:

Got a cutting from my Biology teacher. Let's see how it does...


On Sep 7, 2009, DMersh from Perth,
United Kingdom (Zone 7b) wrote:

This species sometimes falls apart if underwatered, its what experts call a 'drought deciduous' plant meaning if it isn't getting enough water it will start to shed pads to conserve what water it does get. This often baffles the person growing it as it appears to be falling to bits for no apparent reason.


On Jun 9, 2009, shindagger from Oklahoma City, OK wrote:

I bought a pad from Rio Grande Cactus who says its hardy in zone 7. We shall see. So far its coming along faster than most cuttings.


On Jan 3, 2004, htop from San Antonio, TX (Zone 8b) wrote:

San Antonio, Tx.
This cactus has a very pleasing growth habit and its pads reminded one of Dave's Garden member of dotted swiss material. Its medium green color nicely sets off the white "dots". Placed in front of other cacti and succulents or just as a solitary planting, it is a great accent plant especially when in bloom.